x262

x262 is a free software library and application for encoding video streams into the MPEG-2 compression format, and is released under the terms of the GNU GPL.

Features Overview

x262 is an MPEG-2 encoder based on the best-in-class features of x264.
It also has the big advantage that the codec is simple enough for people new to video-compression to get involved.
The TODO list can be found here.

Getting x262

Source

The latest x264 source code can always be found by anonymous git repository:

# git clone http://git.videolan.org/git/x262.git

You can browse the source on-line.

Encoder features

Adaptive B-frame placement
Custom quantization matrices
Interlacing (frame/field adaptation per macrolock)
Ratecontrol: constant quantizer, constant quality, single or multipass ABR, optional VBV
Scenecut detection
Parallel encoding on multiple CPUs
Psy optimizations for detail retention (adaptive quantization, psy-RD, psy-trellis)
Zones for arbitrarily adjusting bitrate distribution

Support

For support information and to ask questions, you have the following possibilities:

A mailing list (x264-devel), and IRC (#x264@freenode and #x264dev@freenode). These are shared with the x264 project so remember to mention x262.

Bugs

Please report any bugs to the mailing list. If it is a crash, then compile x264 with `./configure --enable-debug` and follow the ffmpeg bugreporting guidelines.

Licensing

x262 is licensed under the GNU GPL.

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